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Simplifying
4x2 + 5 = 789
Reorder the terms:
5 + 4x2 = 789
Solving
5 + 4x2 = 789
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + 4x2 = 789 + -5
Combine like terms: 5 + -5 = 0
0 + 4x2 = 789 + -5
4x2 = 789 + -5
Combine like terms: 789 + -5 = 784
4x2 = 784
Divide each side by '4'.
x2 = 196
Simplifying
x2 = 196
Take the square root of each side:
x = {-14, 14}
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